Granted Patent
Utility
US 4,376,745 · App. 06/273,512
Particle board process using furan resin/isocyanate binder
Inventor:
William E. Johns
Patented Case
View Patent ↗
Granted: Mar 15, 1983
Filed: Jun 15, 1981
Inventor
William E. Johns
Assignee (at issue)
Washington State University Research Foundation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.